#include <iostream>
#include <vector>
#include <string>

using namespace std;

vector<int> add(vector<int> &A, vector<int> B)
{
    int i = 0, num = 0;
    vector<int> C;
    while(i < A.size() || i < B.size())
    {
        if (i < A.size())
        {
            num += A[i];
        }
        if (i < B.size())
        {
            num += B[i];
        }
        C.push_back(num % 10);
        num /= 10;
        i++;
    }
    if (num)
    {
        C.push_back(1);
    }
    return C;
}

int main()
{
    string a, b;
    cin >> a >> b;
    vector<int> A, B;
    for (int i = a.size() - 1; i >= 0; --i)
    {
        A.push_back(a[i] - '0');
    }
    for (int i = b.size() - 1; i >= 0; --i)
    {
        B.push_back(b[i] - '0');
    }
    auto C = add(A, B);
    for (int i = C.size() - 1; i >= 0; --i)
    {
        printf("%d", C[i]);
    }
    return 0;
}